Drift velocity refers to the average velocity of particles in a substance in a random motion.
Examples of Drift Velocity
The examples of drift velocity are –
- The motion of water molecules.
- The motion of electrons under the influence of an electric field in a conductor.
Related Questions
- Write Two Differences Between Emf And Potential Difference.
- Why Potentiometer Is Preferred Over Voltmeter?
- Define: 1 volt, Potential difference.
- It is known that the drift velocity of electrons is only a few mm/s for a current of a few amperes. How is it possible that a current is established almost instantaneously when a circuit is closed? For example, a bulb glows as soon as the connection is switched on. Explain.
- Two conducting wires X and Y of the same diameter but different materials are joined in series across a battery. If the number density of electrons in X is twice that in Y, find the ratio of the drift velocity of electrons in the two wires.
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